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sk35 high alumina brick
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sk35 high alumina brick

  • Refractoriness : ≥1750 °C
  • Al2O3: ≥48%
  • Fe2O3: ≤2%
  • Apparent porosity: ≤22%

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High alumina brick is a kind of refractories, the main composition of this refractory brick is Al2O3.Aluminum trioxide (Al2O3) containing more than 48% aluminum silicate refractories.

1.Made by bauxite clinker and binder through Crushing,Mixing,Shaping,Drying and high temperature Sintering.
2.Al2O3 content is 48%-80%,main mineral components are corundum and mullite phases.
3.Refractoriness is above 1770°C,refractoriness under load is 1420-1550°C.
4.Working temperature:1350°C -1650°C.


1.High mechanical strength;
2.Good thermal shock resistance;
3.Good resistance to abrasion and corrosion;
4.Good volume stability at high temperature;

Iron & steel making industry
Blast furnace,hot blast furnace(stove),pellet shaft furnace, hot metal ladle,steel ladle, tundish,soaking pit furnace, heat treatment furnace and etc.

Non-ferrous Metal industry
Smelting furnace, refining furnace, reverberatory furnace, converter furnace and etc.

Building materials industry
Such as cement kiln,glass kiln,ceramic kiln, lime kilns, kiln car,tunnel kiln and etc.

Energy& Incineration
Coke oven, general boiler, power generation boiler, circulating fluidized bed boiler, electric furnace, carbonroasting furnace, waste incinerators and etc.

Petrochemical industry furnace
Package Informations:
1. Packed in a 100cm*100cm fumigated wooden pallet with a waterproof plastic film cover, and tightened with plastic bandages.
2. We can also pack the goods according to your requirements.

1. FEDEX/DHL/UPS/TNT for samples.
2. By Sea for batch goods.
3. Customers specifying freight forwarders or negotiable shipping methods!
4. Delivery Time:3 days for common shape samples;15 days for special shape samples.Within 30 days for batch goods.